Patents by Inventor Hou-Te Wu

Hou-Te Wu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11525496
    Abstract: A roller chain includes a plurality of inner and outer link units and a plurality of sealing rings. Each inner link unit includes two inner chain plates and two bushings. Each outer link unit interconnects an adjacent pair of the inner link units, and includes two outer chain plates and two connecting rods. Each of the outer chain plates has two inner surrounding surface portions each partially defining a retaining space. Each of the sealing rings is disposed in a respective one of the retaining spaces in the outer chain plates.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: December 13, 2022
    Assignee: A MAN POWER TRANSMISSION CO., LTD.
    Inventor: Hou-Te Wu
  • Publication number: 20210018065
    Abstract: A roller chain includes a plurality of inner and outer link units and a plurality of sealing rings. Each inner link unit includes two inner chain plates and two bushings. Each outer link unit interconnects an adjacent pair of the inner link units, and includes two outer chain plates and two connecting rods. Each of the outer chain plates has two inner surrounding surface portions each partially defining a retaining space. Each of the sealing rings is disposed in a respective one of the retaining spaces in the outer chain plates.
    Type: Application
    Filed: June 30, 2020
    Publication date: January 21, 2021
    Inventor: Hou-Te Wu
  • Patent number: D929218
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: August 31, 2021
    Assignee: A MAN POWER TRANSMISSION CO., LTD.
    Inventor: Hou-Te Wu